[xen-4.10-testing bisection] doubtful test-amd64-amd64-pygrub

[osstest service owner <osstest-admin@xxxxxxxxxxxxxx>]

branch xen-4.10-testing
xenbranch xen-4.10-testing
job test-amd64-amd64-pygrub
testid debian-di-install

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: seabios git://xenbits.xen.org/osstest/seabios.git
Tree: xen git://xenbits.xen.org/xen.git

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
  
  Identical previous flights on this branch:
   151123  started 2020-06-14 15:08:51 Z  blessed real-bisect
   151121  started 2020-06-14 14:45:03 Z  blessed real-bisect
   151120  started 2020-06-14 14:32:14 Z  blessed real-bisect
   151116  started 2020-06-14 13:53:49 Z  blessed real-bisect
   151115  started 2020-06-14 13:15:18 Z  blessed real-bisect
   151124  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.10-testing/test-amd64-amd64-pygrub.debian-di-install
 --summary-out=tmp/151124.bisection-summary --basis-template=150039 
--blessings=real,real-bisect --flight=151124 xen-4.10-testing 
test-amd64-amd64-pygrub debian-di-install
Searching for failure / basis pass:
 151059 fail [host=godello1] / 150039 [host=pinot1] 149676 ok.
Failure / basis pass flights: 151059 / 149676
(tree with no url: minios)
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: seabios git://xenbits.xen.org/osstest/seabios.git
Tree: xen git://xenbits.xen.org/xen.git
Latest c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
dafce295e6f447ed8905db4e29241e2c6c2a4389 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
ce056837082da7b2759a069045e480638094adcd
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#c3038e718a19fc596f7b1baba0f83d5146dc7784-c3038e718a19fc596f7b1baba0f83d5146dc7784
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#bd6aa93296de36c5afabd34e4fa4083bccb8488d-dafce295e6f447ed8905db4e29241e2c6c2a4389
 git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bb\
 a25148b279f60-c8ea0457495342c417c3dc033bba25148b279f60 
git://xenbits.xen.org/qemu-xen.git#8acabec966263f90ad493e4af2642947c0c43d23-8acabec966263f90ad493e4af2642947c0c43d23
 
git://xenbits.xen.org/osstest/seabios.git#6a3b59ab9c7dc00331c21346052dfa6a0df45aa3-2e3de6253422112ae43e608661ba94ea6b345694
 
git://xenbits.xen.org/xen.git#24d62e126296b3f67dabdd49887d41d8ed69487f-ce056837082da7b2759a069045e480638094adcd
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Loaded 12573 nodes in revision graph
Searching for test results:
 149650 [host=fiano0]
 149676 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 150039 [host=pinot1]
 150941 []
 150952 []
 150976 []
 151011 []
 151033 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
dafce295e6f447ed8905db4e29241e2c6c2a4389 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
934d6e1a77947662504cf4d5e36c9520e03aa731
 151116 blocked c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151120 blocked c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151059 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
dafce295e6f447ed8905db4e29241e2c6c2a4389 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
ce056837082da7b2759a069045e480638094adcd
 151121 blocked c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151123 blocked c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151115 blocked c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
Searching for interesting versions
 Result found: flight 149676 (pass), for basis pass
 For basis failure, parent search stopping at 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f, results HASH(0x55b011731fc8) 
HASH(0x55b01173ad70) HASH(0x55b01174faa0) HASH(0x55b011747290) 
HASH(0x55b011750040) HASH(0x55b011730850) Result found: flight 151033 (fai\
 l), for basis failure (at ancestor ~600)
Need to reproduce basis pass (pass); had 1 already.
Should test c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f.
pnmtopng: 95 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.10-testing/test-amd64-amd64-pygrub.debian-di-install.{dot,ps,png,html,svg}.
Populating 151124...
Need 151124.test-amd64-amd64-pygrub (like 151059)
Creating 151124.test-amd64-amd64-pygrub (copying from 151059)
Need 151124.build-amd64 (like 151059)
 revision_ovmf=bd6aa93296de36c5afabd34e4fa4083bccb8488d
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=8acabec966263f90ad493e4af2642947c0c43d23
 revision_seabios=6a3b59ab9c7dc00331c21346052dfa6a0df45aa3
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Searching for build-amd64 (like 151059) to reuse...
Creating 151124.build-amd64 (copying from 151059)
Need 151124.build-amd64-pvops (like 151059)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 151059) to reuse...
Can reuse build-kern 151073.build-amd64-pvops.
DB confict (err=7 state=40001): DBD::Pg::st execute failed: ERROR:  could not 
serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during write.
HINT:  The transaction might succeed if retried. [for Statement "        UPDATE 
runvars SET val=?
            WHERE  flight=? AND job=? AND name=?
" with ParamValues: 1='151073.build-amd64-pvops', 2='151124', 
3='test-amd64-amd64-pygrub', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 151124...
Need 151124.test-amd64-amd64-pygrub (like 151059)
Creating 151124.test-amd64-amd64-pygrub (copying from 151059)
Need 151124.build-amd64 (like 151059)
 revision_ovmf=bd6aa93296de36c5afabd34e4fa4083bccb8488d
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=8acabec966263f90ad493e4af2642947c0c43d23
 revision_seabios=6a3b59ab9c7dc00331c21346052dfa6a0df45aa3
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Creating 151124.build-amd64 (copying from 151059)
Need 151124.build-amd64-pvops (like 151059)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 151073.build-amd64-pvops.
Already created build-amd64
Checking for flail (since 149676)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
  
  Identical previous flights on this branch:
   151123  started 2020-06-14 15:08:51 Z  blessed real-bisect
   151121  started 2020-06-14 14:45:03 Z  blessed real-bisect
   151120  started 2020-06-14 14:32:14 Z  blessed real-bisect
   151116  started 2020-06-14 13:53:49 Z  blessed real-bisect
   151115  started 2020-06-14 13:15:18 Z  blessed real-bisect
   151124  just generated